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Case studies

Issue Diagnosis

A selection of technical architectural achievements across WordPress, WooCommerce, and emergency fixes.

137+Projects
4K+Hours
5.0*Avg Rating
100%Job Success
$2,120.00 Bug Fix 2023-11-24

Fix blogs appearing in wordpress site

★★★★★

""one of the best freelancer i have ever worked. Amazing talent and quick.""

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$50.00 Error Resolution 2023-10-20

WordPress Member Site Error Need Help Fixing it

★★★★★
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$40.00 Bug Fix 2023-10-17

Fix WooCommerce Issue

★★★★★

""Got the issue solved immediately. Very satisfied, will be contacting him in the future for more complex projects""

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$60.00 Bug Fix 2023-09-04

Fix a bug with Modern Events Calendar Plugin

★★★★★

""Professional and nice service! Thank you""

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$100.00 Issue Diagnosis 2023-02-26

WordPress Subscription Display Issue

★★★★★

""Knowledgeable and was able to fix issues with our live site quickly. Rehiring for our next project!""

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$50.00 Issue Diagnosis 2021-03-03

Quick WordPress Mobile Menu Fix

★★★★★
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$35.00 Issue Diagnosis 2020-11-30

Duy – Fix variable product issue on ampulla

★★★★★

""Thanks Duy! Highly recommended Duy for troubleshooting issues!""

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$50.00 Error Resolution 2020-10-06

WordPress issue with site/plugin conflict

★★★★★

""More Great work from Duy!""

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$60.00 Issue Diagnosis 2020-10-02

Duy – investigation with Ampulla and fixes

★★★★★

""Duy is a great freelancer always provides results""

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$80.00 Error Resolution 2020-07-11

Fix some WordPress issues (fonts/Elementor/redirects, etc)

★★★★★

""Quick and efficient work. Recommended.""

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$50.00 Issue Diagnosis 2020-06-26

Duy – fixed on Clevr money database and looking at HRH.

★★★★★

""great work from duy""

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$80.00 Error Resolution 2020-06-03

Fix again issue

★★★★★

""Consistent 5-star ratings with Duy. Satisfaction guaranteed :)""

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FAQ

Frequently Asked Questions

What types of WordPress projects does Duy Nguyen handle?

Duy Nguyen specializes in WordPress bug fixes, WooCommerce customization, custom plugin development, site migration, performance optimization, and security hardening. With 137+ completed projects and a 100% Job Success rate on Upwork, he handles everything from emergency fixes to complex multi-site builds.

How much does it cost to hire a WordPress developer?

Project costs vary based on complexity. From this portfolio of 137+ projects with $24,260+ in total revenue, typical projects range from quick bug fixes ($50–$200) to complex WooCommerce customizations ($500–$5,000+). Every project includes a detailed scope and fixed-price quote before work begins.

What is the average turnaround time for WordPress projects?

Most bug fixes and small customizations are completed within 24–48 hours. Larger projects like plugin development or site migrations typically take 1–2 weeks. Duy maintains an average response time of less than 2 hours and provides regular progress updates throughout each project.

What services are available in the portfolio?

The portfolio showcases work across multiple service categories including: Backup & Restore (5 projects), Broken Site (6 projects), Bug Fix (30 projects), Error Resolution (46 projects), Issue Diagnosis (69 projects), Problem Solving (36 projects), Site Restore (8 projects), Troubleshooting (9 projects), Urgent Fix (14 projects), Website Fix (113 projects), WordPress Help (38 projects). Each project includes client feedback, ratings, and a detailed case study.

How can I hire Duy Nguyen for my WordPress project?

You can hire Duy Nguyen directly through Upwork for secure escrow payments and milestone-based contracts, or contact directly for custom project quotes. All work comes with a satisfaction guarantee and post-delivery support.

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